EP2008379A4 - Einstellbares rauschunterdrückungssystem - Google Patents

Einstellbares rauschunterdrückungssystem

Info

Publication number
EP2008379A4
EP2008379A4 EP07757694A EP07757694A EP2008379A4 EP 2008379 A4 EP2008379 A4 EP 2008379A4 EP 07757694 A EP07757694 A EP 07757694A EP 07757694 A EP07757694 A EP 07757694A EP 2008379 A4 EP2008379 A4 EP 2008379A4
Authority
EP
European Patent Office
Prior art keywords
noise suppression
suppression system
adjustable noise
adjustable
suppression
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07757694A
Other languages
English (en)
French (fr)
Other versions
EP2008379B1 (de
EP2008379A2 (de
Inventor
Lucio F Pessoa
Roman A Dyba
David B Melles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP USA Inc
Original Assignee
Freescale Semiconductor Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of EP2008379A2 publication Critical patent/EP2008379A2/de
Publication of EP2008379A4 publication Critical patent/EP2008379A4/de
Application granted granted Critical
Publication of EP2008379B1 publication Critical patent/EP2008379B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Picture Signal Circuits (AREA)
EP07757694A 2006-04-07 2007-03-01 Einstellbares rauschunterdrückungssystem Ceased EP2008379B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/400,458 US7555075B2 (en) 2006-04-07 2006-04-07 Adjustable noise suppression system
PCT/US2007/063044 WO2007117785A2 (en) 2006-04-07 2007-03-01 Adjustable noise suppression system

Publications (3)

Publication Number Publication Date
EP2008379A2 EP2008379A2 (de) 2008-12-31
EP2008379A4 true EP2008379A4 (de) 2010-09-22
EP2008379B1 EP2008379B1 (de) 2012-06-27

Family

ID=38575241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07757694A Ceased EP2008379B1 (de) 2006-04-07 2007-03-01 Einstellbares rauschunterdrückungssystem

Country Status (3)

Country Link
US (1) US7555075B2 (de)
EP (1) EP2008379B1 (de)
WO (1) WO2007117785A2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60142800D1 (de) * 2001-03-28 2010-09-23 Mitsubishi Electric Corp Rauschunterdrücker
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
KR20080111290A (ko) * 2007-06-18 2008-12-23 삼성전자주식회사 원거리 음성 인식을 위한 음성 성능을 평가하는 시스템 및방법
US8015002B2 (en) * 2007-10-24 2011-09-06 Qnx Software Systems Co. Dynamic noise reduction using linear model fitting
US8326617B2 (en) * 2007-10-24 2012-12-04 Qnx Software Systems Limited Speech enhancement with minimum gating
US8606566B2 (en) * 2007-10-24 2013-12-10 Qnx Software Systems Limited Speech enhancement through partial speech reconstruction
US8355511B2 (en) * 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8606573B2 (en) * 2008-03-28 2013-12-10 Alon Konchitsky Voice recognition improved accuracy in mobile environments
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8914282B2 (en) * 2008-09-30 2014-12-16 Alon Konchitsky Wind noise reduction
US20100082339A1 (en) * 2008-09-30 2010-04-01 Alon Konchitsky Wind Noise Reduction
KR101539268B1 (ko) * 2008-12-22 2015-07-24 삼성전자주식회사 수신기의 잡음 제거 장치 및 방법
JP5787126B2 (ja) * 2009-11-06 2015-09-30 日本電気株式会社 信号処理方法、情報処理装置、及び信号処理プログラム
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
TWI459828B (zh) * 2010-03-08 2014-11-01 Dolby Lab Licensing Corp 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
US9343073B1 (en) * 2010-04-20 2016-05-17 Knowles Electronics, Llc Robust noise suppression system in adverse echo conditions
US9378754B1 (en) 2010-04-28 2016-06-28 Knowles Electronics, Llc Adaptive spatial classifier for multi-microphone systems
US8831937B2 (en) * 2010-11-12 2014-09-09 Audience, Inc. Post-noise suppression processing to improve voice quality
CN103200140B (zh) * 2012-01-06 2016-05-11 微思泰（北京）信息技术有限公司 一种基于预均衡的干扰消除系统及方法
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
FR3002679B1 (fr) * 2013-02-28 2016-07-22 Parrot Procede de debruitage d'un signal audio par un algorithme a gain spectral variable a durete modulable dynamiquement
US9831898B2 (en) * 2013-03-13 2017-11-28 Analog Devices Global Radio frequency transmitter noise cancellation
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
GB201401689D0 (en) * 2014-01-31 2014-03-19 Microsoft Corp Audio signal processing
US9516165B1 (en) * 2014-03-26 2016-12-06 West Corporation IVR engagements and upfront background noise
WO2016040885A1 (en) 2014-09-12 2016-03-17 Audience, Inc. Systems and methods for restoration of speech components
CN104980337B (zh) * 2015-05-12 2019-11-22 腾讯科技（深圳）有限公司 一种音频处理的性能提升方法及装置
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones
EP3312838A1 (de) 2016-10-18 2018-04-25 Fraunhofer Gesellschaft zur Förderung der Angewand Vorrichtung und verfahren zur verarbeitung eines audiosignals
US11335357B2 (en) * 2018-08-14 2022-05-17 Bose Corporation Playback enhancement in audio systems
KR102327441B1 (ko) * 2019-09-20 2021-11-17 엘지전자 주식회사 인공지능 장치
US11094328B2 (en) * 2019-09-27 2021-08-17 Ncr Corporation Conferencing audio manipulation for inclusion and accessibility
US12033650B2 (en) * 2021-11-17 2024-07-09 Beacon Hill Innovations Ltd. Devices, systems, and methods of noise reduction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862567B1 (en) * 2000-08-30 2005-03-01 Mindspeed Technologies, Inc. Noise suppression in the frequency domain by adjusting gain according to voicing parameters

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659622A (en) * 1995-11-13 1997-08-19 Motorola, Inc. Method and apparatus for suppressing noise in a communication system
US5933495A (en) * 1997-02-07 1999-08-03 Texas Instruments Incorporated Subband acoustic noise suppression
US5937377A (en) * 1997-02-19 1999-08-10 Sony Corporation Method and apparatus for utilizing noise reducer to implement voice gain control and equalization
US6233549B1 (en) * 1998-11-23 2001-05-15 Qualcomm, Inc. Low frequency spectral enhancement system and method
US6366880B1 (en) * 1999-11-30 2002-04-02 Motorola, Inc. Method and apparatus for suppressing acoustic background noise in a communication system by equaliztion of pre-and post-comb-filtered subband spectral energies
JP4282227B2 (ja) * 2000-12-28 2009-06-17 日本電気株式会社 ノイズ除去の方法及び装置
US7617099B2 (en) * 2001-02-12 2009-11-10 FortMedia Inc. Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile
WO2003001173A1 (en) * 2001-06-22 2003-01-03 Rti Tech Pte Ltd A noise-stripping device
US7283956B2 (en) * 2002-09-18 2007-10-16 Motorola, Inc. Noise suppression
US7454332B2 (en) * 2004-06-15 2008-11-18 Microsoft Corporation Gain constrained noise suppression

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862567B1 (en) * 2000-08-30 2005-03-01 Mindspeed Technologies, Inc. Noise suppression in the frequency domain by adjusting gain according to voicing parameters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007117785A2 *

Also Published As

Publication number Publication date
US20070237271A1 (en) 2007-10-11
WO2007117785A2 (en) 2007-10-18
EP2008379B1 (de) 2012-06-27
WO2007117785A3 (en) 2008-05-08
US7555075B2 (en) 2009-06-30
EP2008379A2 (de) 2008-12-31

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